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Find size in kilobyte of files that are deleted but still in use and therefore consumes diskspace

Simulate typing

remove files and directories with acces time older than a given date
touch a dummy file with the specified date, then use find with -anewer .

Convert "man page" to text file
You can convert any UNIX man page to .txt

Perform Real-time Process Monitoring Using Watch Utility

Remove all cached images for icons related to your profile
Run inside Command Prompt (cmd.exe) as admin. Note that you must close explorer.exe first, and even so some files will not be deleted, will say "Access is denied." To definitely delete them enter with another admin user or from other operating system and access the drive.

Numeric zero padding file rename
rename file name with fixed length nomeric format pattern

Display a block of text: multi-line grep with perl
-n reads input, line by line, in a loop sending to $_ Equivalent to while () { mycode } -e execute the following quoted string (i.e. do the following on the same line as the perl command) the elipses .. operator behaves like a range, remembering the state from line to line.

Mount folder/filesystem through SSH
Install SSHFS from http://fuse.sourceforge.net/sshfs.html Will allow you to mount a folder security over a network.

Check (partial) runtime-dependencies of Gentoo ebuilds
The output is only partial because runtime dependencies should count in also commands executed via system() and libraries loaded with dlopen(), but at least it gives an idea of what a package directly links to. Note: this is meaningful *only* if you're using -Wl,--as-needed in your LDFLAGS, otherwise it'll bring you a bunch of false positives.


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